package co.edu.usbcali.unidad.dataaccess.dao;

import co.edu.usbcali.unidad.dataaccess.sessionFactory.HibernateSessionFactory;
import co.edu.usbcali.unidad.modelo.Division;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;

import org.hibernate.criterion.Example;

import java.math.BigDecimal;

import java.util.Date;
import java.util.List;
import java.util.Set;

/**
 * A data access object (DAO) providing persistence and search support for
 * Division entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * 
 * @author Zathura Code Generator http://code.google.com/p/zathura
 * 
 */
public class DivisionDAO implements IDivisionDAO {
	private static final Log log = LogFactory.getLog(DivisionDAO.class);

	// property constants
	// public static final String DIVCODIGO = "divCodigo";
	public static final String DIVCODIGO = "divCodigo";

	// public static final String DIVNOMBRE = "divNombre";
	public static final String DIVNOMBRE = "divNombre";

	private Session getSession() {
		return HibernateSessionFactory.getSession();
	}

	/**
	 * 
	 * @param Instance
	 *            Division Instance to persist
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void save(Division instance) {
		log.debug("saving Division instance");

		try {
			getSession().save(instance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/**
	 * @param Instance
	 *            Division Instance to delete
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void delete(Division instance) {
		log.debug("deleting Division instance");

		try {
			getSession().delete(instance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/**
	 * 
	 * @param Instance
	 *            Division Instance to update
	 * @throws RuntimeException
	 *             when the operation fails
	 */
	public void update(Division instance) {
		log.debug("updating Division instance");

		try {
			getSession().update(instance);
			log.debug("update successful");
		} catch (RuntimeException re) {
			log.error("update failed", re);
			throw re;
		}
	}

	public Division findById(String id) {
		log.debug("finding Division instance with id: " + id);

		try {
			Division instance = (Division) getSession().get(Division.class, id);

			return instance;
		} catch (RuntimeException re) {
			log.error("finding Division failed", re);
			throw re;
		}
	}

	public List<Division> findByExample(Division instance) {
		log.debug("finding Division instance by example");

		try {
			List results = getSession().createCriteria("Division").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());

			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	/**
	 * Find all Division entities with a specific property value.
	 * 
	 * @param value
	 *            the property value to match
	 * @param propertyName
	 *            the property to search in the instance
	 * @return List< Division> found by query
	 */
	public List<Division> findByProperty(String propertyName, Object value) {
		log.debug("finding Division instance with property: " + propertyName
				+ ", value: " + value);

		try {
			String queryString = "from Division as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);

			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Division> findByDivCodigo(Object divCodigo) {
		return findByProperty(DIVCODIGO, divCodigo);
	}

	public List<Division> findByDivNombre(Object divNombre) {
		return findByProperty(DIVNOMBRE, divNombre);
	}

	/**
	 * Find all Division entities.
	 * 
	 * @return List<Division> all Division instances
	 */
	public List<Division> findAll() {
		log.debug("finding all Division instances");

		try {
			String queryString = "from Division";
			Query queryObject = getSession().createQuery(queryString);

			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public List<Division> findByCriteria(String whereCondition) {
		log.debug("finding Division " + whereCondition);

		try {
			String where = ((whereCondition == null) || (whereCondition
					.length() == 0)) ? "" : ("where " + whereCondition);
			final String queryString = "select model from Division model "
					+ where;
			Query query = getSession().createQuery(queryString);
			List<Division> entitiesList = query.list();

			return entitiesList;
		} catch (RuntimeException re) {
			log.error("find By Criteria in Division failed", re);
			throw re;
		}
	}

	public List<Division> findPageDivision(String sortColumnName,
			boolean sortAscending, int startRow, int maxResults) {
		log.debug("finding Division findPageDivision");

		if ((sortColumnName != null) && (sortColumnName.length() > 0)) {
			try {
				String queryString = "select model from Division model order by model."
						+ sortColumnName
						+ " "
						+ (sortAscending ? "asc" : "desc");

				return getSession().createQuery(queryString).setFirstResult(
						startRow).setMaxResults(maxResults).list();
			} catch (RuntimeException re) {
				throw re;
			}
		} else {
			try {
				String queryString = "select model from Division model";

				return getSession().createQuery(queryString).setFirstResult(
						startRow).setMaxResults(maxResults).list();
			} catch (RuntimeException re) {
				throw re;
			}
		}
	}

	public Long findTotalNumberDivision() {
		log.debug("finding Division count");

		try {
			String queryString = "select count(*) from Division model";
			Query queryObject = getSession().createQuery(queryString);

			return (Long) queryObject.list().get(0);
		} catch (RuntimeException re) {
			throw re;
		}
	}
}
